.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.background-low {
    animation-name: background-low, fade-out;
    animation-duration: 5s;
    animation-delay: 1s;
    animation-timing-function: linear;
    animation-fill-mode: none, forwards;
    animation-iteration-count: infinite, 1;
}

.color-change {
    animation-name: color-change, fade-out;
    animation-duration: 5s;
    animation-delay: 1s;
    animation-timing-function: linear;
    animation-fill-mode: none, forwards;
    animation-iteration-count: infinite, 1;
}

.authentication-content {
    animation-name: fade-out-1;
    animation-duration: 3s;
    animation-timing-function: linear;
    animation-fill-mode: forwards;
}

.faintly {
    text-align: center;
    opacity: 0;
    animation-name: faintly;
    animation-duration: 5s;
    animation-delay: 1s;
    animation-iteration-count: infinite;
}

@keyframes color-change {
    0% {
        background-color: red;
    }
    50% {
        background-color: green;
    }
    75% {
        background-color: blue;
    }
    100% {
        background-color: red;
    }
}

@keyframes fade-out-1 {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@keyframes faintly {
    0% {
        opacity: 0;
    }
    50% {
        opacity: 12%;
    }
    100% {
        opacity: 0;
    }
}